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From: Thierry Reding <thierry.reding@gmail.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: u.kleine-koenig@pengutronix.de, f.fainelli@gmail.com,
	linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	wahrenst@gmx.net, linux-input@vger.kernel.org,
	dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org,
	devel@driverdev.osuosl.org, p.zabel@pengutronix.de,
	linux-gpio@vger.kernel.org, linus.walleij@linaro.org,
	linux-clk@vger.kernel.org, sboyd@kernel.org,
	linux-rpi-kernel@lists.infradead.org, bgolaszewski@baylibre.com,
	andy.shevchenko@gmail.com
Subject: Re: [PATCH v8 11/11] pwm: Add Raspberry Pi Firmware based PWM bus
Date: Mon, 22 Mar 2021 12:56:39 +0100	[thread overview]
Message-ID: <YFiF94ZDi2xdy8yx@orome.fritz.box> (raw)
In-Reply-To: <20210312122454.24480-12-nsaenzjulienne@suse.de>

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On Fri, Mar 12, 2021 at 01:24:54PM +0100, Nicolas Saenz Julienne wrote:
> Adds support to control the PWM bus available in official Raspberry Pi
> PoE HAT. Only RPi's co-processor has access to it, so commands have to
> be sent through RPi's firmware mailbox interface.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> 
> ---
> 
> Changes since v7:
>  - Remove unwarranted RPI_PWM_DEF_DUTY_REG usage
> 
>  Changes since v6:
> - Use %pe
> - Round divisions properly
> - Use dev_err_probe()
> - Pass check_patch
> 
> Changes since v3:
>  - Rename compatible string to be more explicit WRT to bus's limitations
> 
> Changes since v2:
>  - Use devm_rpi_firmware_get()
>  - Rename driver
>  - Small cleanups
> 
> Changes since v1:
>  - Use default pwm bindings and get rid of xlate() function
>  - Correct spelling errors
>  - Correct apply() function
>  - Round values
>  - Fix divisions in arm32 mode
>  - Small cleanups
> 
>  drivers/pwm/Kconfig               |   9 ++
>  drivers/pwm/Makefile              |   1 +
>  drivers/pwm/pwm-raspberrypi-poe.c | 206 ++++++++++++++++++++++++++++++
>  3 files changed, 216 insertions(+)
>  create mode 100644 drivers/pwm/pwm-raspberrypi-poe.c

Acked-by: Thierry Reding <thierry.reding@gmail.com>

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      parent reply	other threads:[~2021-03-22 11:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-12 12:24 [PATCH v8 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 01/11] firmware: raspberrypi: Keep count of all consumers Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get() Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 03/11] clk: bcm: rpi: Release firmware handle on unbind Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 04/11] gpio: raspberrypi-exp: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 05/11] reset: raspberrypi: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 06/11] soc: bcm: raspberrypi-power: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 07/11] staging: vchiq: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 08/11] input: raspberrypi-ts: Release firmware handle when not needed Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 09/11] dt-bindings: pwm: Add binding for RPi firmware PWM bus Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 11/11] pwm: Add Raspberry Pi Firmware based PWM bus Nicolas Saenz Julienne
2021-03-12 20:12   ` Uwe Kleine-König
2021-03-15 16:12     ` Nicolas Saenz Julienne
2021-03-22 11:56   ` Thierry Reding [this message]

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